How long does fossilisation take?

Question:

What is the minimum amount of time it takes to fossilise something? (asked by Nick)

Answer:

Fossils are defined as the remains or traces of organisms that died more than 10,000 years ago, therefore, by definition the minimum time it takes to make a fossil is 10,000 years. But, that is just an arbitrary line in the sand – it means very little in terms of the fossilisation process.

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